<template>
    <Dialog v-model="dialogVisible" :title="dialogTitle">
        <el-form
                ref="formRef"
                v-loading="formLoading"
                :model="formData"
                :rules="formRules"
                label-width="80px"
        >
            <el-form-item label="上级部门" prop="parentId">
                <el-tree-select
                        v-model="formData.parentId"
                        :data="deptTree"
                        :props="defaultProps"
                        check-strictly
                        default-expand-all
                        placeholder="请选择上级部门"
                        value-key="deptId"
                />
            </el-form-item>
            <el-form-item label="部门名称" prop="name">
                <el-input v-model="formData.name" placeholder="请输入部门名称"/>
            </el-form-item>
            <el-form-item label="显示排序" prop="sort">
                <el-input-number v-model="formData.sort" :min="0" controls-position="right"/>
            </el-form-item>
            <el-form-item label="负责人" prop="leaderUserId">
                <el-select v-model="formData.leaderUserId" clearable placeholder="请输入负责人">
                    <el-option
                            v-for="item in userList"
                            :key="item.id"
                            :label="item.nickname"
                            :value="item.id"
                    />
                </el-select>
            </el-form-item>
            <el-form-item label="联系电话" prop="phone">
                <el-input v-model="formData.phone" maxlength="11" placeholder="请输入联系电话"/>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="formData.email" maxlength="50" placeholder="请输入邮箱"/>
            </el-form-item>
            <el-form-item label="状态" prop="status">
                <el-select v-model="formData.status" clearable placeholder="请选择状态">
                    <el-option
                            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
                            :key="dict.value"
                            :label="dict.label"
                            :value="dict.value"
                    />
                </el-select>
            </el-form-item>
        </el-form>
        <template #footer>
            <el-button type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="dialogVisible = false">取 消</el-button>
        </template>
    </Dialog>
</template>
<script lang="ts" setup>
import {DICT_TYPE, getIntDictOptions} from '@/utils/dict'
import {defaultProps, handleTree} from '@/utils/tree'
import * as DeptApi from '@/api/system/dept'
import * as UserApi from '@/api/system/user'
import {CommonStatusEnum} from '@/utils/constants'

defineOptions({name: 'SystemDeptForm'})

const {t} = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
    id: undefined,
    title: '',
    parentId: undefined,
    name: undefined,
    sort: undefined,
    leaderUserId: undefined,
    phone: undefined,
    email: undefined,
    status: CommonStatusEnum.ENABLE
})
const formRules = reactive({
    parentId: [{required: true, message: '上级部门不能为空', trigger: 'blur'}],
    name: [{required: true, message: '部门名称不能为空', trigger: 'blur'}],
    sort: [{required: true, message: '显示排序不能为空', trigger: 'blur'}],
    email: [{type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change']}],
    phone: [
        {pattern: /^1[3|4|5|6|7|8|9][0-9]\d{8}$/, message: '请输入正确的手机号码', trigger: 'blur'}
    ],
    status: [{required: true, message: '状态不能为空', trigger: 'blur'}]
})
const formRef = ref() // 表单 Ref
const deptTree = ref() // 树形结构
const userList = ref<UserApi.UserVO[]>([]) // 用户列表

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
    dialogVisible.value = true
    dialogTitle.value = t('action.' + type)
    formType.value = type
    resetForm()
    // 修改时，设置数据
    if (id) {
        formLoading.value = true
        try {
            formData.value = await DeptApi.getDept(id)
        } finally {
            formLoading.value = false
        }
    }
    // 获得用户列表
    userList.value = await UserApi.getSimpleUserList()
    // 获得部门树
    await getTree()
}
defineExpose({open}) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
    // 校验表单
    if (!formRef) return
    const valid = await formRef.value.validate()
    if (!valid) return
    // 提交请求
    formLoading.value = true
    try {
        const data = formData.value as unknown as DeptApi.DeptVO
        if (formType.value === 'create') {
            await DeptApi.createDept(data)
            message.success(t('common.createSuccess'))
        } else {
            await DeptApi.updateDept(data)
            message.success(t('common.updateSuccess'))
        }
        dialogVisible.value = false
        // 发送操作成功的事件
        emit('success')
    } finally {
        formLoading.value = false
    }
}

/** 重置表单 */
const resetForm = () => {
    formData.value = {
        id: undefined,
        title: '',
        parentId: undefined,
        name: undefined,
        sort: undefined,
        leaderUserId: undefined,
        phone: undefined,
        email: undefined,
        status: CommonStatusEnum.ENABLE
    }
    formRef.value?.resetFields()
}

/** 获得部门树 */
const getTree = async () => {
    deptTree.value = []
    const data = await DeptApi.getSimpleDeptList()
    let dept: Tree = {id: 0, name: '顶级部门', children: []}
    dept.children = handleTree(data)
    deptTree.value.push(dept)
}
</script>
